Proteostasis News and Research

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Each mammalian cell contains up to 20,000 proteins, all of which must be maintained and regulated. Proteostasis is a complex pathway that functions to maintain all of the proteins within and around a cell.

Disrupting protein quality control slows tumor growth in pediatric rhabdomyosarcoma

A new research paper was published in Volume 16 of Oncotarget on August 29, 2025, titled "In vivo manipulation of the protein homeostasis network in rhabdomyosarcoma."

29 Aug 2025

Dementia-like protein clumping found in early pancreatic cancer cells

Cancer Research UK-funded scientists have uncovered dementia-like behaviour in pancreas cells at risk of turning into cancer. The findings provide clues that could help in the treatment and prevention of pancreatic cancer, a difficult-to-treat disease linked to 6,900 deaths in the UK every year.

17 Aug 2025

Aging brains lose key proteins despite intact genetic blueprints

An international research team involving the Leibniz Institute on Aging - Fritz Lipmann Institute (FLI) in Jena, the Scuola Normale Superiore Pisa, and Stanford University has discovered that in the aging brain, certain proteins are lost even though their mRNA blueprints remain intact.

8 Aug 2025

Study sheds light on molecular mechanisms of brain aging

Aging and neurodegeneration are both known to disrupt the production of functional proteins in cells – a process called "proteostasis," or protein homeostasis.

31 Jul 2025

Selective impairment of translation contributes to brain aging in killifish

Aging selectively impairs the production of crucial DNA- and RNA-binding proteins, which contributes to hallmarks of aging in the brains of killifish, according to a new study.

31 Jul 2025

Proteome imbalance from aneuploidy linked to mitochondrial dysfunction

It has been known for several years that abnormal chromosome numbers lead to protein imbalances in the affected cells. Researchers at RPTU have now investigated the detailed effects of such imbalances.

27 Jun 2025

Can scientists predict life longevity from a drop of blood?

This study presents an intrinsic capacity clock, using blood samples to predict mortality risk and enhance understanding of aging and lifestyle impacts.

8 Jun 2025

Electron microscopy study shows how two enzymes work in tandem to process proteins

Healthy cells are constantly breaking down proteins and building up new ones with the help of enzymes aptly named unfoldases, because they unravel proteins tagged for destruction or recycling.

6 Jun 2025

Exploring the relationship between mitochondrial quality control mechanisms and atherosclerosis

Announcing a new article publication for Cardiovascular Innovations and Applications journal. Mitochondrial quality control (MQC) mechanisms - including biogenesis, dynamics, mitophagy, proteostasis, the unfolded protein response, and mitochondrial-derived vesicles - play critical roles in the development of atherosclerosis.

1 May 2025

Discovery of stable genes offers insights into aging and longevity

A new research paper was published in Aging (Aging-US) on January 27, 2025, in Volume 17, Issue 1, titled "Age-invariant genes: multi-tissue identification and characterization of murine reference genes."

26 Feb 2025

Unfolded protein response disruptions contribute to colorectal cancer and gut-related disorders

The intestinal epithelium is a highly dynamic barrier that regulates digestion, absorption, immune responses, and communication between the gut microbiota and the nervous system.

20 Feb 2025

New discovery on mitochondrial protein could transform Charcot-Marie-Tooth treatment

Researchers from Cologne, Bochum, Padova and Angers have discovered a novel connection between mitochondrial function, protein quality control and cellular health, whose failure could be the leading cause in the currently incurable neurological disease Charcot-Marie-Tooth (CMT).

14 Feb 2025

Study reveals sex-specific differences in microglial response to CSF1R inhibition

Researchers investigate the sex-dependent microglial response to a colony-stimulating factor 1 receptor (CSF1R) inhibitor.

24 Jan 2025

Proteomic mapping identifies biomarkers driving healthy aging and preventing chronic diseases

Scientists mapped the serum proteome longitudinally to uncover biomarkers linked to healthy aging and cardiometabolic diseases, revealing potential therapeutic targets.

14 Jan 2025

Could autophagy enhancement slow aging and combat Alzheimer's?

How cellular cleanup systems could hold the key to slowing aging and halting neurodegeneration.

9 Jan 2025

Breakthrough in protein homeostasis offers potential for preventing Alzheimer’s

Scientists have uncovered a powerful ally in the fight against neurodegenerative diseases: a nucleolar complex that plays a pivotal role in maintaining cellular health through protein homeostasis (proteostasis), by which cells maintain the balance and proper functioning of their proteins.

3 Jan 2025

Lithocholic acid enhances health and lifespan, mimicking calorie restriction

Lithocholic acid (LCA), a metabolite induced by calorie restriction (CR), activates AMPK and mimics anti-aging benefits. A recent study highlights LCA's role in improving muscle performance, glucose tolerance, and lifespan in aged organisms.

1 Jan 2025

Ketone body β-hydroxybutyrate restores protein balance and targets Alzheimer’s-linked aggregates

Scientists identify β-hydroxybutyrate as a key regulator of protein solubility, offering a novel pathway to combat neurodegeneration in aging and Alzheimer’s disease.

4 Dec 2024

Ketone metabolism redefines protein quality control in aging brains

Ketone bodies, produced by the body to provide fuel during fasting, have roles in regulating cellular processes and aging mechanisms beyond energy production. Research at the Buck Institute shows that ketone bodies can best be understood as powerful signaling metabolites affecting brain function in aging and Alzheimer's disease.

3 Dec 2024

New protein found to protect cells from age-related decline

McMaster University researchers have discovered a previously unknown cell-protecting function of a protein, which could open new avenues for treating age-related diseases and lead to healthier aging overall.

18 Oct 2024